Link between CO2 emissions and fuel consumption

The equivalent petrol and diesel figures relative to CO 2 , according to The Society of Motor Manufacturers and Traders (SMMT)

CO
2
emissions (g/km)

MPG – Petrol (approx)

MPG – Diesel (approx)

100

67.3

74.3

120

56.5

61.4

130

52.3

58.0

140

48.7

54.3

160

41.5

47.1

180

37.2

41.5

200

33.6

37.2

220

30.7

33.6

240

28.2

31.4

300

22.4

24.8

350

19.3

21.4

400

16.8

18.8

450

14.9

16.6

Source SMMT